How Much Does a Mold or Damp Inspection Cost in Portugal? #
The inspection fee is the only price fixed in advance. Everything after it depends on what the readings show. The table lays out the range from the first visit to a finished repair.
| Stage | Price (incl. VAT) | What it covers |
|---|---|---|
| Inspection | €695 | Moisture mapping, humidity readings, on-site species testing, written cause report |
| Inspection with air sampling | €1,090 | The €695 inspection plus €395 air sampling for spore-count analysis |
| Remediation (separate) | €800 to €8,000+ | Quoted after the cause is known, from single-room condensation to structural rising damp |
| Typical total outlay | €1,495 to €8,695+ | Inspection plus remediation, before any optional add-ons |
Remediation bands come from our mold remediation cost guide. A flat inspection fee means you know the first number before anyone visits.
What Does the €695 Inspection Include? #
- Moisture mapping across the affected area and neighbouring surfaces, with thermal imaging where hidden moisture is suspected
- Relative humidity, temperature and ventilation readings in the affected rooms
- Species testing carried out on site during the visit
- A written report naming the likely cause and ordering the next steps by priority
Our guide on what happens during a moisture inspection walks through the visit step by step. Report timing is confirmed when you book.
What Changes the Total Cost? #
- Air sampling: an optional €395 add-on for owners who want spore-count analysis alongside the cause report. It does not replace moisture mapping.
- Cause: condensation (humidade de condensação) is usually the cheapest to fix, while rising damp (humidade ascensional) in pre-1960s walls sits at the top of the range.
- Affected area and building age: a single bathroom ceiling in Lisboa costs far less to treat than damp across several rooms in a granite house in Porto.
- Access and scope: unusually large or multi-building properties are confirmed at booking.
A ventilation upgrade where mechanical extraction is missing commonly adds €400 to €1,200 to a remediation quote, which is another reason to know the cause first.
How Does an Inspection Compare With the Alternatives? #
- Contractor quote: often free, but it prices a fix before the cause has been measured, so the work may treat the symptom.
- Home test kit: can show that spores are present, but does not locate the moisture source or say why mold is growing.
- Independent inspection: measures moisture across the affected area, tests on site and documents the cause, so every later quote covers the same problem.
Want the first number fixed before you decide?
The inspection is a flat €695 including VAT. Enquiring is free, and no payment is required until you book.
Is It Worth Paying for an Inspection Before Repairs? #
The cost question is a comparison. Spending €695 to confirm whether you have condensation or a leak decides whether the next spend is €800 or €8,000. Spending nothing and treating the wrong cause means paying twice, and the mold returns within months.
Pre-purchase buyers use the report in price negotiation, and landlords use it to document the cause. Our guide on who pays for a mold inspection covers the usual arrangements when a rental is involved. Not sure yet? Read do you need a mold inspection first.
Frequently Asked Questions #
Q Is the €695 price including VAT?
Q Does the inspection price change with property size?
Q Is repair work included in the price?
Q Do I need air sampling?
Q Do I pay anything to enquire?
Conclusion #
The inspection costs €695 including VAT, or €1,090 with air sampling, and it is the one price you can fix before any work starts. Remediation depends on what the readings show, from €800 for single-room condensation to €8,000 or more for structural rising damp.
mold.pt diagnoses the actual cause with moisture mapping, on-site species testing and a written report. Request an inspection and tell us what you have seen so far.
Know the cause before you spend on repairs.
A flat €695 inspection including VAT: moisture mapping, on-site testing and a written report. Inspect. Test. Remediate. Verify.